Lesson 1 - Pump Development and Application

Topics:

Learning Objectives:

– Describe dead-end and recirculating hot water distribution systems.– List several special considerations involved in chemical pumping systems.– Define the term viscosity and give examples of high-viscosity materials.– Tell the effects of heat on the pumping of high-viscosity materials.– List some special problems involved in the pumping of solids.

Lesson 4 - Propeller and Turbine Pumps

Topics:

Learning Objectives:

– Explain the construction of a line-shaft turbine pump.– Name the two types of flow possible in a propeller pump.– Tell the function of diffuser vanes in an axial-flow propeller pump.– Define electrochemical corrosion and state its cause.– Describe fluids that can be pumped by a regenerative turbine pump.

Lesson 5 - Rotary Pumps

Topics:

Learning Objectives:

– Describe the fluids that can be pumped by a rotary pump.– Explain the operation of external- and internal-gear pumps.– Describe the parts and construction of a lobe pump.– Compare and contrast timed and untimed screw pumps.– Tell why sealed bearings might be used in a vane pump.

Lesson 6 - Reciprocating Pumps

Topics:

Learning Objectives:

– Name the parts that make up the power end of a reciprocating pump and describe their operation.– Define the terms single-acting pump and double-acting pump.– Compare simplex and duplex pumps.– Explain how the pumped fluid lubricates a reciprocating pump.– Calculate the discharge pressure of an air-driven pump when given the piston ration and motor air supply.

Lesson 7 - Metering Pumps

Topics:

Learning Objectives:

– Tell what kinds of pumps are used for metering applications.– Describe metering pump lubrication techniques.– Name the parts of a diagram metering pump and state the function of each.– Explain the operation of a diaphragm metering pump.

Lesson 8 - Special-Purpose Pumps

Topics:

Learning Objectives:

– Describe the operation of a flexible-tube pump.– Give an application for a progressing-cavity pump.– Name one disadvantage of a seal-less magnetic-drive pump.– Explain how to prepare a new centrifugal pump for operation.– Tell which parts of a reciprocating slurry pump require the most maintenance.

Lesson 10 - Pump Maintenance

Topics:

Learning Objectives:

– Name three types of antifriction bearings.– Name three factors to consider when preparing pump lubrication schedules.– Describe a typical application for each of the following bearing seals: felt, leather, synthetic.– Tell the two major maintenance problems encountered in rotary pumps.– Explain how to identify worn piston rings in a reciprocating pump.